@xid-kit/react-native

import { XidProvider } from '@xid-kit/react-native'
import type { BrowserInterface, TokenCache } from '@xid-kit/react-native'
import * as Keychain from 'react-native-keychain'

const tokenCache: TokenCache = {
  async getToken(key) {
    const result = await Keychain.getGenericPassword({ service: key })
    return result ? result.password : null
  },
  async saveToken(key, value) {
    await Keychain.setGenericPassword('xid', value, { service: key })
  },
  async deleteToken(key) {
    await Keychain.resetGenericPassword({ service: key })
  },
}

const browser: BrowserInterface = {
  async openAuthSession(url, redirectUri) {
    // Open url with your in-app browser library, wait for the redirectUri
    // deep link, then return { type: 'success', url } or { type: 'cancel' }.
    throw new Error('Implement with your preferred in-app browser library.')
  },
}

export function App() {
  return (
    <XidProvider
      issuer="https://xid.dev"
      clientId="your_client_id"
      redirectUri="myapp://auth/callback"
      tokenCache={tokenCache}
      browser={browser}
    >
      <RootNavigator />
    </XidProvider>
  )
}

import { useSignIn } from '@xid-kit/react-native'

function SignInScreen() {
  const { signIn, signInState } = useSignIn()

  return (
    <Button
      title={signInState.status === 'pending' ? 'Signing in...' : 'Sign in'}
      onPress={() => void signIn()}
    />
  )
}

import { useSignIn } from '@xid-kit/react-native'
import { useEffect } from 'react'
import { Linking } from 'react-native'

function DeepLinkHandler() {
  const { handleRedirect } = useSignIn()

  useEffect(() => {
    const sub = Linking.addEventListener('url', ({ url }) => {
      if (url.startsWith('myapp://auth/callback')) {
        void handleRedirect(url)
      }
    })
    return () => sub.remove()
  }, [handleRedirect])

  return null
}